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IS31FL3758 - 48CH LED DRIVER

Datasheet Summary

Description

IS31FL3758 is a 48ch LED driver with 48 constant current channels.

It also supports from one to eight power scan to become a 48ch, 47×1, 46×2, 45×3…40×8, 40×9 matrix LED driver by control 9~2 external power PMOS.

Features

  • Operating voltage: 2.7V to 5.5V.
  • Support 48 constant current channels @ 60mA/ch - ±7% bit-to-bit output current accuracy @IOUT=40mA, - ±6% device-to-device output current accuracy @IOUT=40mA - Combined for higher current capability with same current accuracy - Minimum headroom voltage of 200mV(typ. ) at 40mA.
  • Support to control the PMOS to become a matrix LED controller Support 48ch, 47×1, 46×2, 45×3, …, 40×8, 40×9, SW need external PMOS, OUT can control the SW timing.

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Datasheet Details

Part number IS31FL3758
Manufacturer Lumissil
File Size 835.24 KB
Description 48CH LED DRIVER
Datasheet download datasheet IS31FL3758 Datasheet
Additional preview pages of the IS31FL3758 datasheet.

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Full PDF Text Transcription

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IS31FL3758 48CH LED DRIVER WITH 40×9 MATRIX EXTEND Preliminary Information May 2024 GENERAL DESCRIPTIONS IS31FL3758 is a 48ch LED driver with 48 constant current channels. It also supports from one to eight power scan to become a 48ch, 47×1, 46×2, 45×3…40×8, 40×9 matrix LED driver by control 9~2 external power PMOS. Each channel can be pulse width modulated (PWM) with maximum 8-bit/6+2-bit 256 steps precision for smooth LED brightness control. The maximum output current of each channel is designed to be 60mA, which can be adjusted by 8bit ×3 global control registers.
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